1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2019 Toradex
10 #include <asm/arch/clock.h>
11 #include <asm/arch/imx8-pins.h>
12 #include <asm/arch/iomux.h>
13 #include <asm/arch/sci/sci.h>
14 #include <asm/arch/sys_proto.h>
19 #include <linux/libfdt.h>
21 #include "../common/tdx-cfg-block.h"
23 DECLARE_GLOBAL_DATA_PTR;
25 #define UART_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \
26 (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
27 (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \
28 (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
30 static iomux_cfg_t uart3_pads[] = {
31 SC_P_FLEXCAN2_RX | MUX_MODE_ALT(2) | MUX_PAD_CTRL(UART_PAD_CTRL),
32 SC_P_FLEXCAN2_TX | MUX_MODE_ALT(2) | MUX_PAD_CTRL(UART_PAD_CTRL),
33 /* Transceiver FORCEOFF# signal, mux to use pull-up */
34 SC_P_QSPI0B_DQS | MUX_MODE_ALT(4) | MUX_PAD_CTRL(UART_PAD_CTRL),
37 static void setup_iomux_uart(void)
39 imx8_iomux_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads));
42 void board_mem_get_layout(u64 *phys_sdram_1_start,
43 u64 *phys_sdram_1_size,
44 u64 *phys_sdram_2_start,
45 u64 *phys_sdram_2_size)
47 u32 is_dualx = 0, val = 0;
48 sc_err_t scierr = sc_misc_otp_fuse_read(-1, 6, &val);
50 if (scierr == SC_ERR_NONE) {
51 /* DX has two A35 cores disabled */
52 is_dualx = (val & 0xf) != 0x0;
55 *phys_sdram_1_start = PHYS_SDRAM_1;
57 /* Our DX based SKUs only have 1 GB RAM */
58 *phys_sdram_1_size = SZ_1G;
60 *phys_sdram_1_size = PHYS_SDRAM_1_SIZE;
61 *phys_sdram_2_start = PHYS_SDRAM_2;
62 *phys_sdram_2_size = PHYS_SDRAM_2_SIZE;
65 int board_early_init_f(void)
67 sc_pm_clock_rate_t rate;
71 * This works around that having only UART3 up the baudrate is 1.2M
72 * instead of 115.2k. Set UART0 clock root to 80 MHz
75 err = sc_pm_set_clock_rate(-1, SC_R_UART_0, SC_PM_CLK_PER, &rate);
76 if (err != SC_ERR_NONE)
79 /* Set UART3 clock root to 80 MHz and enable it */
81 err = sc_pm_setup_uart(SC_R_UART_3, rate);
82 if (err != SC_ERR_NONE)
90 #if IS_ENABLED(CONFIG_DM_GPIO)
91 static void board_gpio_init(void)
96 static inline void board_gpio_init(void) {}
99 #if IS_ENABLED(CONFIG_FEC_MXC)
102 int board_phy_config(struct phy_device *phydev)
104 if (phydev->drv->config)
105 phydev->drv->config(phydev);
113 puts("Model: Toradex Colibri iMX8X\n");
129 * Board specific reset that is system reset.
131 void reset_cpu(ulong addr)
136 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
137 int ft_board_setup(void *blob, struct bd_info *bd)
139 return ft_common_board_setup(blob, bd);
143 int board_mmc_get_env_dev(int devno)
148 int board_late_init(void)
150 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
151 /* TODO move to common */
152 env_set("board_name", "Colibri iMX8QXP");
153 env_set("board_rev", "v1.0");